{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77551267",
    "entityType": "User",
    "nonce": "0x29cf2082602d26023d94de9edf4f5439739e2b89a0bc2ba6f66757ec843bc1b0",
    "signature": "0x7969a987abf25afb9f75842aa9f4246efe38faaa453e5ea1e3967f1ce8570eee3c0f7628eb17e531acea50e88691fdf842c2a628d4ce1fe196e1304bce7af63c1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}